Year	male births per female births
1960	1.0441955413610136
1961	1.044102512117608
1962	1.0441839687623722
1963	1.0443315785421083
1964	1.044416298185394
1965	1.0444409491837565
1966	1.0445370546443062
1967	1.0446903584387512
1968	1.0447266940074929
1969	1.0449000833528783
1970	1.0451530575362982
1971	1.0451387220765078
1972	1.0454243644138463
1973	1.0455450248180533
1974	1.0455407193389368
1975	1.045545914837711
1976	1.0455955082861093
1977	1.0460915226638388
1978	1.0461575926426658
1979	1.0452450389942523
1980	1.0451729101228422
1981	1.0448068311833547
1982	1.0444488032273858
1983	1.0446433450814356
1984	1.0447355067442015
1985	1.0448408938697353
1986	1.0456068727221715
1987	1.0463532784299057
1988	1.0473267726182232
1989	1.0476334823664852
1990	1.0477854831615334
1991	1.0474600608598652
1992	1.046786639646805
1993	1.0474885449438842
1994	1.0474403897096736
1995	1.0465529133073794
1996	1.0462329914089672
1997	1.0459976784866019
1998	1.0460665468979533
1999	1.046030534160731
2000	1.0458285195035617
2001	1.0457622109483793
2002	1.0451211736566064
2003	1.0444769922665698
2004	1.0442207028616217
2005	1.044294396813793
2006	1.0433603960923357
2007	1.043242244014617
2008	1.0426465065360881
2009	1.0422060484223545
2010	1.0415007453409986
2011	1.0412093769821198
2012	1.0409302833864555
2013	1.0408263090911234
2014	1.0409815645348968
2015	1.0409849431676839
2016	1.0411262481483747
2017	1.0411069011195822
2018	1.0411718961951661
2019	1.0410468111402882
2020	1.0408909178417864
2021	1.0408458804954912
2022	1.0408470043764226